On February 23, 2020, Rosa Mendoza, 59, was shot and killed on Chamberlaine Way in Adelanto, California. Deputies and emergency personnel arrived around 8:28 a.m. and found three people shot: Mendoza, Pedro Espinoza, also 59, and a 33-year-old male relative. Mendoza was pronounced dead at the scene; Espinoza later died of his injuries, and the 33-year-old was hospitalized with non-life-threatening wounds.

Investigators identified 27-year-old Adelanto resident Gerson Sagastume as the suspect. Sagastume, known to the victims, was located hiding in an abandoned residence and taken into custody. He was interviewed by homicide investigators and booked at the High Desert Detention Center on murder charges; he pleaded not guilty and bail was later increased. The motive for the shooting remains unclear and the investigation was ongoing.

If anyone knew Rosa Mendoza or has information about the events on Chamberlaine Way that morning, please share what you know.